1. Wide Compatibility with Bostitch Nailers Designed as a replacement for P0590007200 nailer pad, compatible with Bostitch models including BTFP1850K, SB-125BN, SB-1842BN, SB-1850BN and 4065000 & higher series, ensuring reliable fit and performance. 2. 4 Pack Value Replacement Set Includes 4 PCS nailer rubber pads, providing a cost-effective solution for replacing worn or damaged safety pads, extending the service life of your nail gun. 3. OEM Replacement Quality Standard Manufactured to meet OEM-level specifications, ensuring stable performance, precise fit, and consistent protection during nail firing operations. 4. Durable Rubber Construction for Safety Protection Made from high-strength, wear-resistant rubber material, effectively absorbs impact, reduces recoil, and protects both the tool and working surface. 5. Easy Installation – Direct Fit Replacement Simple snap-on replacement design allows quick installation without modification. Helps restore nailer performance efficiently and reduces downtime on job sites.