Home Parts Locking Door Check 4000 series kit (Pos-a-loc Replacement) 🔍 Locking Door Check 4000 series kit (Pos-a-loc Replacement)$137.16 K001-454 Locking Door Check 4000 series kit (Pos-a-loc Replacement) quantity Add to cart Categories: Hold Open Mechanisms, Parts Description 4000 Series Pos-a-loc Replacement Sheet Related products 3000 series door check $119.76 Add to cart Locking Door Check Kit (1000 Series Dynamax Only) $119.76 Add to cart 30″ Dual Open Magnetic Switch Kit $55.74 Add to cart Locking Door Check 1000 series kit (Pos-a-loc Replacement) $137.16 Add to cart